/src/nginx/src/core/ngx_inet.c
Line | Count | Source (jump to first uncovered line) |
1 | | |
2 | | /* |
3 | | * Copyright (C) Igor Sysoev |
4 | | * Copyright (C) Nginx, Inc. |
5 | | */ |
6 | | |
7 | | |
8 | | #include <ngx_config.h> |
9 | | #include <ngx_core.h> |
10 | | |
11 | | |
12 | | static ngx_int_t ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u); |
13 | | static ngx_int_t ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u); |
14 | | static ngx_int_t ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u); |
15 | | static ngx_int_t ngx_inet_add_addr(ngx_pool_t *pool, ngx_url_t *u, |
16 | | struct sockaddr *sockaddr, socklen_t socklen, ngx_uint_t total); |
17 | | |
18 | | |
19 | | in_addr_t |
20 | | ngx_inet_addr(u_char *text, size_t len) |
21 | 33 | { |
22 | 33 | u_char *p, c; |
23 | 33 | in_addr_t addr; |
24 | 33 | ngx_uint_t octet, n; |
25 | | |
26 | 33 | addr = 0; |
27 | 33 | octet = 0; |
28 | 33 | n = 0; |
29 | | |
30 | 123 | for (p = text; p < text + len; p++) { |
31 | 113 | c = *p; |
32 | | |
33 | 113 | if (c >= '0' && c <= '9') { |
34 | 60 | octet = octet * 10 + (c - '0'); |
35 | | |
36 | 60 | if (octet > 255) { |
37 | 0 | return INADDR_NONE; |
38 | 0 | } |
39 | | |
40 | 60 | continue; |
41 | 60 | } |
42 | | |
43 | 53 | if (c == '.') { |
44 | 30 | addr = (addr << 8) + octet; |
45 | 30 | octet = 0; |
46 | 30 | n++; |
47 | 30 | continue; |
48 | 30 | } |
49 | | |
50 | 23 | return INADDR_NONE; |
51 | 53 | } |
52 | | |
53 | 10 | if (n == 3) { |
54 | 10 | addr = (addr << 8) + octet; |
55 | 10 | return htonl(addr); |
56 | 10 | } |
57 | | |
58 | 0 | return INADDR_NONE; |
59 | 10 | } |
60 | | |
61 | | |
62 | | #if (NGX_HAVE_INET6) |
63 | | |
64 | | ngx_int_t |
65 | | ngx_inet6_addr(u_char *p, size_t len, u_char *addr) |
66 | 0 | { |
67 | 0 | u_char c, *zero, *digit, *s, *d; |
68 | 0 | size_t len4; |
69 | 0 | ngx_uint_t n, nibbles, word; |
70 | |
|
71 | 0 | if (len == 0) { |
72 | 0 | return NGX_ERROR; |
73 | 0 | } |
74 | | |
75 | 0 | zero = NULL; |
76 | 0 | digit = NULL; |
77 | 0 | len4 = 0; |
78 | 0 | nibbles = 0; |
79 | 0 | word = 0; |
80 | 0 | n = 8; |
81 | |
|
82 | 0 | if (p[0] == ':') { |
83 | 0 | p++; |
84 | 0 | len--; |
85 | 0 | } |
86 | |
|
87 | 0 | for (/* void */; len; len--) { |
88 | 0 | c = *p++; |
89 | |
|
90 | 0 | if (c == ':') { |
91 | 0 | if (nibbles) { |
92 | 0 | digit = p; |
93 | 0 | len4 = len; |
94 | 0 | *addr++ = (u_char) (word >> 8); |
95 | 0 | *addr++ = (u_char) (word & 0xff); |
96 | |
|
97 | 0 | if (--n) { |
98 | 0 | nibbles = 0; |
99 | 0 | word = 0; |
100 | 0 | continue; |
101 | 0 | } |
102 | |
|
103 | 0 | } else { |
104 | 0 | if (zero == NULL) { |
105 | 0 | digit = p; |
106 | 0 | len4 = len; |
107 | 0 | zero = addr; |
108 | 0 | continue; |
109 | 0 | } |
110 | 0 | } |
111 | | |
112 | 0 | return NGX_ERROR; |
113 | 0 | } |
114 | | |
115 | 0 | if (c == '.' && nibbles) { |
116 | 0 | if (n < 2 || digit == NULL) { |
117 | 0 | return NGX_ERROR; |
118 | 0 | } |
119 | | |
120 | 0 | word = ngx_inet_addr(digit, len4 - 1); |
121 | 0 | if (word == INADDR_NONE) { |
122 | 0 | return NGX_ERROR; |
123 | 0 | } |
124 | | |
125 | 0 | word = ntohl(word); |
126 | 0 | *addr++ = (u_char) ((word >> 24) & 0xff); |
127 | 0 | *addr++ = (u_char) ((word >> 16) & 0xff); |
128 | 0 | n--; |
129 | 0 | break; |
130 | 0 | } |
131 | | |
132 | 0 | if (++nibbles > 4) { |
133 | 0 | return NGX_ERROR; |
134 | 0 | } |
135 | | |
136 | 0 | if (c >= '0' && c <= '9') { |
137 | 0 | word = word * 16 + (c - '0'); |
138 | 0 | continue; |
139 | 0 | } |
140 | | |
141 | 0 | c |= 0x20; |
142 | |
|
143 | 0 | if (c >= 'a' && c <= 'f') { |
144 | 0 | word = word * 16 + (c - 'a') + 10; |
145 | 0 | continue; |
146 | 0 | } |
147 | | |
148 | 0 | return NGX_ERROR; |
149 | 0 | } |
150 | | |
151 | 0 | if (nibbles == 0 && zero == NULL) { |
152 | 0 | return NGX_ERROR; |
153 | 0 | } |
154 | | |
155 | 0 | *addr++ = (u_char) (word >> 8); |
156 | 0 | *addr++ = (u_char) (word & 0xff); |
157 | |
|
158 | 0 | if (--n) { |
159 | 0 | if (zero) { |
160 | 0 | n *= 2; |
161 | 0 | s = addr - 1; |
162 | 0 | d = s + n; |
163 | 0 | while (s >= zero) { |
164 | 0 | *d-- = *s--; |
165 | 0 | } |
166 | 0 | ngx_memzero(zero, n); |
167 | 0 | return NGX_OK; |
168 | 0 | } |
169 | |
|
170 | 0 | } else { |
171 | 0 | if (zero == NULL) { |
172 | 0 | return NGX_OK; |
173 | 0 | } |
174 | 0 | } |
175 | | |
176 | 0 | return NGX_ERROR; |
177 | 0 | } |
178 | | |
179 | | #endif |
180 | | |
181 | | |
182 | | size_t |
183 | | ngx_sock_ntop(struct sockaddr *sa, socklen_t socklen, u_char *text, size_t len, |
184 | | ngx_uint_t port) |
185 | 11 | { |
186 | 11 | u_char *p; |
187 | 11 | #if (NGX_HAVE_INET6 || NGX_HAVE_UNIX_DOMAIN) |
188 | 11 | size_t n; |
189 | 11 | #endif |
190 | 11 | struct sockaddr_in *sin; |
191 | 11 | #if (NGX_HAVE_INET6) |
192 | 11 | struct sockaddr_in6 *sin6; |
193 | 11 | #endif |
194 | 11 | #if (NGX_HAVE_UNIX_DOMAIN) |
195 | 11 | struct sockaddr_un *saun; |
196 | 11 | #endif |
197 | | |
198 | 11 | switch (sa->sa_family) { |
199 | | |
200 | 10 | case AF_INET: |
201 | | |
202 | 10 | sin = (struct sockaddr_in *) sa; |
203 | 10 | p = (u_char *) &sin->sin_addr; |
204 | | |
205 | 10 | if (port) { |
206 | 10 | p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud:%d", |
207 | 10 | p[0], p[1], p[2], p[3], ntohs(sin->sin_port)); |
208 | 10 | } else { |
209 | 0 | p = ngx_snprintf(text, len, "%ud.%ud.%ud.%ud", |
210 | 0 | p[0], p[1], p[2], p[3]); |
211 | 0 | } |
212 | | |
213 | 10 | return (p - text); |
214 | | |
215 | 0 | #if (NGX_HAVE_INET6) |
216 | | |
217 | 0 | case AF_INET6: |
218 | |
|
219 | 0 | sin6 = (struct sockaddr_in6 *) sa; |
220 | |
|
221 | 0 | n = 0; |
222 | |
|
223 | 0 | if (port) { |
224 | 0 | text[n++] = '['; |
225 | 0 | } |
226 | |
|
227 | 0 | n = ngx_inet6_ntop(sin6->sin6_addr.s6_addr, &text[n], len); |
228 | |
|
229 | 0 | if (port) { |
230 | 0 | n = ngx_sprintf(&text[1 + n], "]:%d", |
231 | 0 | ntohs(sin6->sin6_port)) - text; |
232 | 0 | } |
233 | |
|
234 | 0 | return n; |
235 | 0 | #endif |
236 | | |
237 | 0 | #if (NGX_HAVE_UNIX_DOMAIN) |
238 | | |
239 | 1 | case AF_UNIX: |
240 | 1 | saun = (struct sockaddr_un *) sa; |
241 | | |
242 | | /* on Linux sockaddr might not include sun_path at all */ |
243 | | |
244 | 1 | if (socklen <= (socklen_t) offsetof(struct sockaddr_un, sun_path)) { |
245 | 0 | p = ngx_snprintf(text, len, "unix:%Z"); |
246 | |
|
247 | 1 | } else { |
248 | 1 | n = ngx_strnlen((u_char *) saun->sun_path, |
249 | 1 | socklen - offsetof(struct sockaddr_un, sun_path)); |
250 | 1 | p = ngx_snprintf(text, len, "unix:%*s%Z", n, saun->sun_path); |
251 | 1 | } |
252 | | |
253 | | /* we do not include trailing zero in address length */ |
254 | | |
255 | 1 | return (p - text - 1); |
256 | | |
257 | 0 | #endif |
258 | | |
259 | 0 | default: |
260 | 0 | return 0; |
261 | 11 | } |
262 | 11 | } |
263 | | |
264 | | |
265 | | size_t |
266 | | ngx_inet_ntop(int family, void *addr, u_char *text, size_t len) |
267 | 0 | { |
268 | 0 | u_char *p; |
269 | |
|
270 | 0 | switch (family) { |
271 | | |
272 | 0 | case AF_INET: |
273 | |
|
274 | 0 | p = addr; |
275 | |
|
276 | 0 | return ngx_snprintf(text, len, "%ud.%ud.%ud.%ud", |
277 | 0 | p[0], p[1], p[2], p[3]) |
278 | 0 | - text; |
279 | | |
280 | 0 | #if (NGX_HAVE_INET6) |
281 | | |
282 | 0 | case AF_INET6: |
283 | 0 | return ngx_inet6_ntop(addr, text, len); |
284 | | |
285 | 0 | #endif |
286 | | |
287 | 0 | default: |
288 | 0 | return 0; |
289 | 0 | } |
290 | 0 | } |
291 | | |
292 | | |
293 | | #if (NGX_HAVE_INET6) |
294 | | |
295 | | size_t |
296 | | ngx_inet6_ntop(u_char *p, u_char *text, size_t len) |
297 | 0 | { |
298 | 0 | u_char *dst; |
299 | 0 | size_t max, n; |
300 | 0 | ngx_uint_t i, zero, last; |
301 | |
|
302 | 0 | if (len < NGX_INET6_ADDRSTRLEN) { |
303 | 0 | return 0; |
304 | 0 | } |
305 | | |
306 | 0 | zero = (ngx_uint_t) -1; |
307 | 0 | last = (ngx_uint_t) -1; |
308 | 0 | max = 1; |
309 | 0 | n = 0; |
310 | |
|
311 | 0 | for (i = 0; i < 16; i += 2) { |
312 | |
|
313 | 0 | if (p[i] || p[i + 1]) { |
314 | |
|
315 | 0 | if (max < n) { |
316 | 0 | zero = last; |
317 | 0 | max = n; |
318 | 0 | } |
319 | |
|
320 | 0 | n = 0; |
321 | 0 | continue; |
322 | 0 | } |
323 | | |
324 | 0 | if (n++ == 0) { |
325 | 0 | last = i; |
326 | 0 | } |
327 | 0 | } |
328 | |
|
329 | 0 | if (max < n) { |
330 | 0 | zero = last; |
331 | 0 | max = n; |
332 | 0 | } |
333 | |
|
334 | 0 | dst = text; |
335 | 0 | n = 16; |
336 | |
|
337 | 0 | if (zero == 0) { |
338 | |
|
339 | 0 | if ((max == 5 && p[10] == 0xff && p[11] == 0xff) |
340 | 0 | || (max == 6) |
341 | 0 | || (max == 7 && p[14] != 0 && p[15] != 1)) |
342 | 0 | { |
343 | 0 | n = 12; |
344 | 0 | } |
345 | |
|
346 | 0 | *dst++ = ':'; |
347 | 0 | } |
348 | |
|
349 | 0 | for (i = 0; i < n; i += 2) { |
350 | |
|
351 | 0 | if (i == zero) { |
352 | 0 | *dst++ = ':'; |
353 | 0 | i += (max - 1) * 2; |
354 | 0 | continue; |
355 | 0 | } |
356 | | |
357 | 0 | dst = ngx_sprintf(dst, "%xd", p[i] * 256 + p[i + 1]); |
358 | |
|
359 | 0 | if (i < 14) { |
360 | 0 | *dst++ = ':'; |
361 | 0 | } |
362 | 0 | } |
363 | |
|
364 | 0 | if (n == 12) { |
365 | 0 | dst = ngx_sprintf(dst, "%ud.%ud.%ud.%ud", p[12], p[13], p[14], p[15]); |
366 | 0 | } |
367 | |
|
368 | 0 | return dst - text; |
369 | 0 | } |
370 | | |
371 | | #endif |
372 | | |
373 | | |
374 | | ngx_int_t |
375 | | ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr) |
376 | 0 | { |
377 | 0 | u_char *addr, *mask, *last; |
378 | 0 | size_t len; |
379 | 0 | ngx_int_t shift; |
380 | 0 | #if (NGX_HAVE_INET6) |
381 | 0 | ngx_int_t rc; |
382 | 0 | ngx_uint_t s, i; |
383 | 0 | #endif |
384 | |
|
385 | 0 | addr = text->data; |
386 | 0 | last = addr + text->len; |
387 | |
|
388 | 0 | mask = ngx_strlchr(addr, last, '/'); |
389 | 0 | len = (mask ? mask : last) - addr; |
390 | |
|
391 | 0 | cidr->u.in.addr = ngx_inet_addr(addr, len); |
392 | |
|
393 | 0 | if (cidr->u.in.addr != INADDR_NONE) { |
394 | 0 | cidr->family = AF_INET; |
395 | |
|
396 | 0 | if (mask == NULL) { |
397 | 0 | cidr->u.in.mask = 0xffffffff; |
398 | 0 | return NGX_OK; |
399 | 0 | } |
400 | |
|
401 | 0 | #if (NGX_HAVE_INET6) |
402 | 0 | } else if (ngx_inet6_addr(addr, len, cidr->u.in6.addr.s6_addr) == NGX_OK) { |
403 | 0 | cidr->family = AF_INET6; |
404 | |
|
405 | 0 | if (mask == NULL) { |
406 | 0 | ngx_memset(cidr->u.in6.mask.s6_addr, 0xff, 16); |
407 | 0 | return NGX_OK; |
408 | 0 | } |
409 | |
|
410 | 0 | #endif |
411 | 0 | } else { |
412 | 0 | return NGX_ERROR; |
413 | 0 | } |
414 | | |
415 | 0 | mask++; |
416 | |
|
417 | 0 | shift = ngx_atoi(mask, last - mask); |
418 | 0 | if (shift == NGX_ERROR) { |
419 | 0 | return NGX_ERROR; |
420 | 0 | } |
421 | | |
422 | 0 | switch (cidr->family) { |
423 | | |
424 | 0 | #if (NGX_HAVE_INET6) |
425 | 0 | case AF_INET6: |
426 | 0 | if (shift > 128) { |
427 | 0 | return NGX_ERROR; |
428 | 0 | } |
429 | | |
430 | 0 | addr = cidr->u.in6.addr.s6_addr; |
431 | 0 | mask = cidr->u.in6.mask.s6_addr; |
432 | 0 | rc = NGX_OK; |
433 | |
|
434 | 0 | for (i = 0; i < 16; i++) { |
435 | |
|
436 | 0 | s = (shift > 8) ? 8 : shift; |
437 | 0 | shift -= s; |
438 | |
|
439 | 0 | mask[i] = (u_char) (0xffu << (8 - s)); |
440 | |
|
441 | 0 | if (addr[i] != (addr[i] & mask[i])) { |
442 | 0 | rc = NGX_DONE; |
443 | 0 | addr[i] &= mask[i]; |
444 | 0 | } |
445 | 0 | } |
446 | |
|
447 | 0 | return rc; |
448 | 0 | #endif |
449 | | |
450 | 0 | default: /* AF_INET */ |
451 | 0 | if (shift > 32) { |
452 | 0 | return NGX_ERROR; |
453 | 0 | } |
454 | | |
455 | 0 | if (shift) { |
456 | 0 | cidr->u.in.mask = htonl((uint32_t) (0xffffffffu << (32 - shift))); |
457 | |
|
458 | 0 | } else { |
459 | | /* x86 compilers use a shl instruction that shifts by modulo 32 */ |
460 | 0 | cidr->u.in.mask = 0; |
461 | 0 | } |
462 | |
|
463 | 0 | if (cidr->u.in.addr == (cidr->u.in.addr & cidr->u.in.mask)) { |
464 | 0 | return NGX_OK; |
465 | 0 | } |
466 | | |
467 | 0 | cidr->u.in.addr &= cidr->u.in.mask; |
468 | |
|
469 | 0 | return NGX_DONE; |
470 | 0 | } |
471 | 0 | } |
472 | | |
473 | | |
474 | | ngx_int_t |
475 | | ngx_cidr_match(struct sockaddr *sa, ngx_array_t *cidrs) |
476 | 0 | { |
477 | 0 | #if (NGX_HAVE_INET6) |
478 | 0 | u_char *p; |
479 | 0 | #endif |
480 | 0 | in_addr_t inaddr; |
481 | 0 | ngx_cidr_t *cidr; |
482 | 0 | ngx_uint_t family, i; |
483 | 0 | #if (NGX_HAVE_INET6) |
484 | 0 | ngx_uint_t n; |
485 | 0 | struct in6_addr *inaddr6; |
486 | 0 | #endif |
487 | |
|
488 | 0 | #if (NGX_SUPPRESS_WARN) |
489 | 0 | inaddr = 0; |
490 | 0 | #if (NGX_HAVE_INET6) |
491 | 0 | inaddr6 = NULL; |
492 | 0 | #endif |
493 | 0 | #endif |
494 | |
|
495 | 0 | family = sa->sa_family; |
496 | |
|
497 | 0 | if (family == AF_INET) { |
498 | 0 | inaddr = ((struct sockaddr_in *) sa)->sin_addr.s_addr; |
499 | 0 | } |
500 | | |
501 | 0 | #if (NGX_HAVE_INET6) |
502 | 0 | else if (family == AF_INET6) { |
503 | 0 | inaddr6 = &((struct sockaddr_in6 *) sa)->sin6_addr; |
504 | |
|
505 | 0 | if (IN6_IS_ADDR_V4MAPPED(inaddr6)) { |
506 | 0 | family = AF_INET; |
507 | |
|
508 | 0 | p = inaddr6->s6_addr; |
509 | |
|
510 | 0 | inaddr = p[12] << 24; |
511 | 0 | inaddr += p[13] << 16; |
512 | 0 | inaddr += p[14] << 8; |
513 | 0 | inaddr += p[15]; |
514 | |
|
515 | 0 | inaddr = htonl(inaddr); |
516 | 0 | } |
517 | 0 | } |
518 | 0 | #endif |
519 | |
|
520 | 0 | for (cidr = cidrs->elts, i = 0; i < cidrs->nelts; i++) { |
521 | 0 | if (cidr[i].family != family) { |
522 | 0 | goto next; |
523 | 0 | } |
524 | | |
525 | 0 | switch (family) { |
526 | | |
527 | 0 | #if (NGX_HAVE_INET6) |
528 | 0 | case AF_INET6: |
529 | 0 | for (n = 0; n < 16; n++) { |
530 | 0 | if ((inaddr6->s6_addr[n] & cidr[i].u.in6.mask.s6_addr[n]) |
531 | 0 | != cidr[i].u.in6.addr.s6_addr[n]) |
532 | 0 | { |
533 | 0 | goto next; |
534 | 0 | } |
535 | 0 | } |
536 | 0 | break; |
537 | 0 | #endif |
538 | | |
539 | 0 | #if (NGX_HAVE_UNIX_DOMAIN) |
540 | 0 | case AF_UNIX: |
541 | 0 | break; |
542 | 0 | #endif |
543 | | |
544 | 0 | default: /* AF_INET */ |
545 | 0 | if ((inaddr & cidr[i].u.in.mask) != cidr[i].u.in.addr) { |
546 | 0 | goto next; |
547 | 0 | } |
548 | 0 | break; |
549 | 0 | } |
550 | | |
551 | 0 | return NGX_OK; |
552 | | |
553 | 0 | next: |
554 | 0 | continue; |
555 | 0 | } |
556 | | |
557 | 0 | return NGX_DECLINED; |
558 | 0 | } |
559 | | |
560 | | |
561 | | ngx_int_t |
562 | | ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len) |
563 | 0 | { |
564 | 0 | in_addr_t inaddr; |
565 | 0 | ngx_uint_t family; |
566 | 0 | struct sockaddr_in *sin; |
567 | 0 | #if (NGX_HAVE_INET6) |
568 | 0 | struct in6_addr inaddr6; |
569 | 0 | struct sockaddr_in6 *sin6; |
570 | | |
571 | | /* |
572 | | * prevent MSVC8 warning: |
573 | | * potentially uninitialized local variable 'inaddr6' used |
574 | | */ |
575 | 0 | ngx_memzero(&inaddr6, sizeof(struct in6_addr)); |
576 | 0 | #endif |
577 | |
|
578 | 0 | inaddr = ngx_inet_addr(text, len); |
579 | |
|
580 | 0 | if (inaddr != INADDR_NONE) { |
581 | 0 | family = AF_INET; |
582 | 0 | len = sizeof(struct sockaddr_in); |
583 | |
|
584 | 0 | #if (NGX_HAVE_INET6) |
585 | 0 | } else if (ngx_inet6_addr(text, len, inaddr6.s6_addr) == NGX_OK) { |
586 | 0 | family = AF_INET6; |
587 | 0 | len = sizeof(struct sockaddr_in6); |
588 | |
|
589 | 0 | #endif |
590 | 0 | } else { |
591 | 0 | return NGX_DECLINED; |
592 | 0 | } |
593 | | |
594 | 0 | addr->sockaddr = ngx_pcalloc(pool, len); |
595 | 0 | if (addr->sockaddr == NULL) { |
596 | 0 | return NGX_ERROR; |
597 | 0 | } |
598 | | |
599 | 0 | addr->sockaddr->sa_family = (u_char) family; |
600 | 0 | addr->socklen = len; |
601 | |
|
602 | 0 | switch (family) { |
603 | | |
604 | 0 | #if (NGX_HAVE_INET6) |
605 | 0 | case AF_INET6: |
606 | 0 | sin6 = (struct sockaddr_in6 *) addr->sockaddr; |
607 | 0 | ngx_memcpy(sin6->sin6_addr.s6_addr, inaddr6.s6_addr, 16); |
608 | 0 | break; |
609 | 0 | #endif |
610 | | |
611 | 0 | default: /* AF_INET */ |
612 | 0 | sin = (struct sockaddr_in *) addr->sockaddr; |
613 | 0 | sin->sin_addr.s_addr = inaddr; |
614 | 0 | break; |
615 | 0 | } |
616 | | |
617 | 0 | return NGX_OK; |
618 | 0 | } |
619 | | |
620 | | |
621 | | ngx_int_t |
622 | | ngx_parse_addr_port(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, |
623 | | size_t len) |
624 | 0 | { |
625 | 0 | u_char *p, *last; |
626 | 0 | size_t plen; |
627 | 0 | ngx_int_t rc, port; |
628 | |
|
629 | 0 | rc = ngx_parse_addr(pool, addr, text, len); |
630 | |
|
631 | 0 | if (rc != NGX_DECLINED) { |
632 | 0 | return rc; |
633 | 0 | } |
634 | | |
635 | 0 | last = text + len; |
636 | |
|
637 | 0 | #if (NGX_HAVE_INET6) |
638 | 0 | if (len && text[0] == '[') { |
639 | |
|
640 | 0 | p = ngx_strlchr(text, last, ']'); |
641 | |
|
642 | 0 | if (p == NULL || p == last - 1 || *++p != ':') { |
643 | 0 | return NGX_DECLINED; |
644 | 0 | } |
645 | | |
646 | 0 | text++; |
647 | 0 | len -= 2; |
648 | |
|
649 | 0 | } else |
650 | 0 | #endif |
651 | | |
652 | 0 | { |
653 | 0 | p = ngx_strlchr(text, last, ':'); |
654 | |
|
655 | 0 | if (p == NULL) { |
656 | 0 | return NGX_DECLINED; |
657 | 0 | } |
658 | 0 | } |
659 | | |
660 | 0 | p++; |
661 | 0 | plen = last - p; |
662 | |
|
663 | 0 | port = ngx_atoi(p, plen); |
664 | |
|
665 | 0 | if (port < 1 || port > 65535) { |
666 | 0 | return NGX_DECLINED; |
667 | 0 | } |
668 | | |
669 | 0 | len -= plen + 1; |
670 | |
|
671 | 0 | rc = ngx_parse_addr(pool, addr, text, len); |
672 | |
|
673 | 0 | if (rc != NGX_OK) { |
674 | 0 | return rc; |
675 | 0 | } |
676 | | |
677 | 0 | ngx_inet_set_port(addr->sockaddr, (in_port_t) port); |
678 | |
|
679 | 0 | return NGX_OK; |
680 | 0 | } |
681 | | |
682 | | |
683 | | ngx_int_t |
684 | | ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u) |
685 | 34 | { |
686 | 34 | u_char *p; |
687 | 34 | size_t len; |
688 | | |
689 | 34 | p = u->url.data; |
690 | 34 | len = u->url.len; |
691 | | |
692 | 34 | if (len >= 5 && ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) { |
693 | 1 | return ngx_parse_unix_domain_url(pool, u); |
694 | 1 | } |
695 | | |
696 | 33 | if (len && p[0] == '[') { |
697 | 0 | return ngx_parse_inet6_url(pool, u); |
698 | 0 | } |
699 | | |
700 | 33 | return ngx_parse_inet_url(pool, u); |
701 | 33 | } |
702 | | |
703 | | |
704 | | static ngx_int_t |
705 | | ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u) |
706 | 1 | { |
707 | 1 | #if (NGX_HAVE_UNIX_DOMAIN) |
708 | 1 | u_char *path, *uri, *last; |
709 | 1 | size_t len; |
710 | 1 | struct sockaddr_un *saun; |
711 | | |
712 | 1 | len = u->url.len; |
713 | 1 | path = u->url.data; |
714 | | |
715 | 1 | path += 5; |
716 | 1 | len -= 5; |
717 | | |
718 | 1 | if (u->uri_part) { |
719 | |
|
720 | 0 | last = path + len; |
721 | 0 | uri = ngx_strlchr(path, last, ':'); |
722 | |
|
723 | 0 | if (uri) { |
724 | 0 | len = uri - path; |
725 | 0 | uri++; |
726 | 0 | u->uri.len = last - uri; |
727 | 0 | u->uri.data = uri; |
728 | 0 | } |
729 | 0 | } |
730 | | |
731 | 1 | if (len == 0) { |
732 | 0 | u->err = "no path in the unix domain socket"; |
733 | 0 | return NGX_ERROR; |
734 | 0 | } |
735 | | |
736 | 1 | u->host.len = len++; |
737 | 1 | u->host.data = path; |
738 | | |
739 | 1 | if (len > sizeof(saun->sun_path)) { |
740 | 0 | u->err = "too long path in the unix domain socket"; |
741 | 0 | return NGX_ERROR; |
742 | 0 | } |
743 | | |
744 | 1 | u->socklen = sizeof(struct sockaddr_un); |
745 | 1 | saun = (struct sockaddr_un *) &u->sockaddr; |
746 | 1 | saun->sun_family = AF_UNIX; |
747 | 1 | (void) ngx_cpystrn((u_char *) saun->sun_path, path, len); |
748 | | |
749 | 1 | u->addrs = ngx_pcalloc(pool, sizeof(ngx_addr_t)); |
750 | 1 | if (u->addrs == NULL) { |
751 | 0 | return NGX_ERROR; |
752 | 0 | } |
753 | | |
754 | 1 | saun = ngx_pcalloc(pool, sizeof(struct sockaddr_un)); |
755 | 1 | if (saun == NULL) { |
756 | 0 | return NGX_ERROR; |
757 | 0 | } |
758 | | |
759 | 1 | u->family = AF_UNIX; |
760 | 1 | u->naddrs = 1; |
761 | | |
762 | 1 | saun->sun_family = AF_UNIX; |
763 | 1 | (void) ngx_cpystrn((u_char *) saun->sun_path, path, len); |
764 | | |
765 | 1 | u->addrs[0].sockaddr = (struct sockaddr *) saun; |
766 | 1 | u->addrs[0].socklen = sizeof(struct sockaddr_un); |
767 | 1 | u->addrs[0].name.len = len + 4; |
768 | 1 | u->addrs[0].name.data = u->url.data; |
769 | | |
770 | 1 | return NGX_OK; |
771 | | |
772 | | #else |
773 | | |
774 | | u->err = "the unix domain sockets are not supported on this platform"; |
775 | | |
776 | | return NGX_ERROR; |
777 | | |
778 | | #endif |
779 | 1 | } |
780 | | |
781 | | |
782 | | static ngx_int_t |
783 | | ngx_parse_inet_url(ngx_pool_t *pool, ngx_url_t *u) |
784 | 33 | { |
785 | 33 | u_char *host, *port, *last, *uri, *args, *dash; |
786 | 33 | size_t len; |
787 | 33 | ngx_int_t n; |
788 | 33 | struct sockaddr_in *sin; |
789 | | |
790 | 33 | u->socklen = sizeof(struct sockaddr_in); |
791 | 33 | sin = (struct sockaddr_in *) &u->sockaddr; |
792 | 33 | sin->sin_family = AF_INET; |
793 | | |
794 | 33 | u->family = AF_INET; |
795 | | |
796 | 33 | host = u->url.data; |
797 | | |
798 | 33 | last = host + u->url.len; |
799 | | |
800 | 33 | port = ngx_strlchr(host, last, ':'); |
801 | | |
802 | 33 | uri = ngx_strlchr(host, last, '/'); |
803 | | |
804 | 33 | args = ngx_strlchr(host, last, '?'); |
805 | | |
806 | 33 | if (args) { |
807 | 0 | if (uri == NULL || args < uri) { |
808 | 0 | uri = args; |
809 | 0 | } |
810 | 0 | } |
811 | | |
812 | 33 | if (uri) { |
813 | 0 | if (u->listen || !u->uri_part) { |
814 | 0 | u->err = "invalid host"; |
815 | 0 | return NGX_ERROR; |
816 | 0 | } |
817 | | |
818 | 0 | u->uri.len = last - uri; |
819 | 0 | u->uri.data = uri; |
820 | |
|
821 | 0 | last = uri; |
822 | |
|
823 | 0 | if (uri < port) { |
824 | 0 | port = NULL; |
825 | 0 | } |
826 | 0 | } |
827 | | |
828 | 33 | if (port) { |
829 | 10 | port++; |
830 | | |
831 | 10 | len = last - port; |
832 | | |
833 | 10 | if (u->listen) { |
834 | 0 | dash = ngx_strlchr(port, last, '-'); |
835 | |
|
836 | 0 | if (dash) { |
837 | 0 | dash++; |
838 | |
|
839 | 0 | n = ngx_atoi(dash, last - dash); |
840 | |
|
841 | 0 | if (n < 1 || n > 65535) { |
842 | 0 | u->err = "invalid port"; |
843 | 0 | return NGX_ERROR; |
844 | 0 | } |
845 | | |
846 | 0 | u->last_port = (in_port_t) n; |
847 | |
|
848 | 0 | len = dash - port - 1; |
849 | 0 | } |
850 | 0 | } |
851 | | |
852 | 10 | n = ngx_atoi(port, len); |
853 | | |
854 | 10 | if (n < 1 || n > 65535) { |
855 | 0 | u->err = "invalid port"; |
856 | 0 | return NGX_ERROR; |
857 | 0 | } |
858 | | |
859 | 10 | if (u->last_port && n > u->last_port) { |
860 | 0 | u->err = "invalid port range"; |
861 | 0 | return NGX_ERROR; |
862 | 0 | } |
863 | | |
864 | 10 | u->port = (in_port_t) n; |
865 | 10 | sin->sin_port = htons((in_port_t) n); |
866 | | |
867 | 10 | u->port_text.len = last - port; |
868 | 10 | u->port_text.data = port; |
869 | | |
870 | 10 | last = port - 1; |
871 | | |
872 | 23 | } else { |
873 | 23 | if (uri == NULL) { |
874 | | |
875 | 23 | if (u->listen) { |
876 | | |
877 | | /* test value as port only */ |
878 | |
|
879 | 0 | len = last - host; |
880 | |
|
881 | 0 | dash = ngx_strlchr(host, last, '-'); |
882 | |
|
883 | 0 | if (dash) { |
884 | 0 | dash++; |
885 | |
|
886 | 0 | n = ngx_atoi(dash, last - dash); |
887 | |
|
888 | 0 | if (n == NGX_ERROR) { |
889 | 0 | goto no_port; |
890 | 0 | } |
891 | | |
892 | 0 | if (n < 1 || n > 65535) { |
893 | 0 | u->err = "invalid port"; |
894 | |
|
895 | 0 | } else { |
896 | 0 | u->last_port = (in_port_t) n; |
897 | 0 | } |
898 | |
|
899 | 0 | len = dash - host - 1; |
900 | 0 | } |
901 | | |
902 | 0 | n = ngx_atoi(host, len); |
903 | |
|
904 | 0 | if (n != NGX_ERROR) { |
905 | |
|
906 | 0 | if (u->err) { |
907 | 0 | return NGX_ERROR; |
908 | 0 | } |
909 | | |
910 | 0 | if (n < 1 || n > 65535) { |
911 | 0 | u->err = "invalid port"; |
912 | 0 | return NGX_ERROR; |
913 | 0 | } |
914 | | |
915 | 0 | if (u->last_port && n > u->last_port) { |
916 | 0 | u->err = "invalid port range"; |
917 | 0 | return NGX_ERROR; |
918 | 0 | } |
919 | | |
920 | 0 | u->port = (in_port_t) n; |
921 | 0 | sin->sin_port = htons((in_port_t) n); |
922 | 0 | sin->sin_addr.s_addr = INADDR_ANY; |
923 | |
|
924 | 0 | u->port_text.len = last - host; |
925 | 0 | u->port_text.data = host; |
926 | |
|
927 | 0 | u->wildcard = 1; |
928 | |
|
929 | 0 | return ngx_inet_add_addr(pool, u, &u->sockaddr.sockaddr, |
930 | 0 | u->socklen, 1); |
931 | 0 | } |
932 | 0 | } |
933 | 23 | } |
934 | | |
935 | 23 | no_port: |
936 | | |
937 | 23 | u->err = NULL; |
938 | 23 | u->no_port = 1; |
939 | 23 | u->port = u->default_port; |
940 | 23 | sin->sin_port = htons(u->default_port); |
941 | 23 | u->last_port = 0; |
942 | 23 | } |
943 | | |
944 | 33 | len = last - host; |
945 | | |
946 | 33 | if (len == 0) { |
947 | 0 | u->err = "no host"; |
948 | 0 | return NGX_ERROR; |
949 | 0 | } |
950 | | |
951 | 33 | u->host.len = len; |
952 | 33 | u->host.data = host; |
953 | | |
954 | 33 | if (u->listen && len == 1 && *host == '*') { |
955 | 0 | sin->sin_addr.s_addr = INADDR_ANY; |
956 | 0 | u->wildcard = 1; |
957 | 0 | return ngx_inet_add_addr(pool, u, &u->sockaddr.sockaddr, u->socklen, 1); |
958 | 0 | } |
959 | | |
960 | 33 | sin->sin_addr.s_addr = ngx_inet_addr(host, len); |
961 | | |
962 | 33 | if (sin->sin_addr.s_addr != INADDR_NONE) { |
963 | | |
964 | 10 | if (sin->sin_addr.s_addr == INADDR_ANY) { |
965 | 0 | u->wildcard = 1; |
966 | 0 | } |
967 | | |
968 | 10 | return ngx_inet_add_addr(pool, u, &u->sockaddr.sockaddr, u->socklen, 1); |
969 | 10 | } |
970 | | |
971 | 23 | if (u->no_resolve) { |
972 | 23 | return NGX_OK; |
973 | 23 | } |
974 | | |
975 | 0 | if (ngx_inet_resolve_host(pool, u) != NGX_OK) { |
976 | 0 | return NGX_ERROR; |
977 | 0 | } |
978 | | |
979 | 0 | u->family = u->addrs[0].sockaddr->sa_family; |
980 | 0 | u->socklen = u->addrs[0].socklen; |
981 | 0 | ngx_memcpy(&u->sockaddr, u->addrs[0].sockaddr, u->addrs[0].socklen); |
982 | 0 | u->wildcard = ngx_inet_wildcard(&u->sockaddr.sockaddr); |
983 | |
|
984 | 0 | return NGX_OK; |
985 | 0 | } |
986 | | |
987 | | |
988 | | static ngx_int_t |
989 | | ngx_parse_inet6_url(ngx_pool_t *pool, ngx_url_t *u) |
990 | 0 | { |
991 | 0 | #if (NGX_HAVE_INET6) |
992 | 0 | u_char *p, *host, *port, *last, *uri, *dash; |
993 | 0 | size_t len; |
994 | 0 | ngx_int_t n; |
995 | 0 | struct sockaddr_in6 *sin6; |
996 | |
|
997 | 0 | u->socklen = sizeof(struct sockaddr_in6); |
998 | 0 | sin6 = (struct sockaddr_in6 *) &u->sockaddr; |
999 | 0 | sin6->sin6_family = AF_INET6; |
1000 | |
|
1001 | 0 | host = u->url.data + 1; |
1002 | |
|
1003 | 0 | last = u->url.data + u->url.len; |
1004 | |
|
1005 | 0 | p = ngx_strlchr(host, last, ']'); |
1006 | |
|
1007 | 0 | if (p == NULL) { |
1008 | 0 | u->err = "invalid host"; |
1009 | 0 | return NGX_ERROR; |
1010 | 0 | } |
1011 | | |
1012 | 0 | port = p + 1; |
1013 | |
|
1014 | 0 | uri = ngx_strlchr(port, last, '/'); |
1015 | |
|
1016 | 0 | if (uri) { |
1017 | 0 | if (u->listen || !u->uri_part) { |
1018 | 0 | u->err = "invalid host"; |
1019 | 0 | return NGX_ERROR; |
1020 | 0 | } |
1021 | | |
1022 | 0 | u->uri.len = last - uri; |
1023 | 0 | u->uri.data = uri; |
1024 | |
|
1025 | 0 | last = uri; |
1026 | 0 | } |
1027 | | |
1028 | 0 | if (port < last) { |
1029 | 0 | if (*port != ':') { |
1030 | 0 | u->err = "invalid host"; |
1031 | 0 | return NGX_ERROR; |
1032 | 0 | } |
1033 | | |
1034 | 0 | port++; |
1035 | |
|
1036 | 0 | len = last - port; |
1037 | |
|
1038 | 0 | if (u->listen) { |
1039 | 0 | dash = ngx_strlchr(port, last, '-'); |
1040 | |
|
1041 | 0 | if (dash) { |
1042 | 0 | dash++; |
1043 | |
|
1044 | 0 | n = ngx_atoi(dash, last - dash); |
1045 | |
|
1046 | 0 | if (n < 1 || n > 65535) { |
1047 | 0 | u->err = "invalid port"; |
1048 | 0 | return NGX_ERROR; |
1049 | 0 | } |
1050 | | |
1051 | 0 | u->last_port = (in_port_t) n; |
1052 | |
|
1053 | 0 | len = dash - port - 1; |
1054 | 0 | } |
1055 | 0 | } |
1056 | | |
1057 | 0 | n = ngx_atoi(port, len); |
1058 | |
|
1059 | 0 | if (n < 1 || n > 65535) { |
1060 | 0 | u->err = "invalid port"; |
1061 | 0 | return NGX_ERROR; |
1062 | 0 | } |
1063 | | |
1064 | 0 | if (u->last_port && n > u->last_port) { |
1065 | 0 | u->err = "invalid port range"; |
1066 | 0 | return NGX_ERROR; |
1067 | 0 | } |
1068 | | |
1069 | 0 | u->port = (in_port_t) n; |
1070 | 0 | sin6->sin6_port = htons((in_port_t) n); |
1071 | |
|
1072 | 0 | u->port_text.len = last - port; |
1073 | 0 | u->port_text.data = port; |
1074 | |
|
1075 | 0 | } else { |
1076 | 0 | u->no_port = 1; |
1077 | 0 | u->port = u->default_port; |
1078 | 0 | sin6->sin6_port = htons(u->default_port); |
1079 | 0 | } |
1080 | | |
1081 | 0 | len = p - host; |
1082 | |
|
1083 | 0 | if (len == 0) { |
1084 | 0 | u->err = "no host"; |
1085 | 0 | return NGX_ERROR; |
1086 | 0 | } |
1087 | | |
1088 | 0 | u->host.len = len + 2; |
1089 | 0 | u->host.data = host - 1; |
1090 | |
|
1091 | 0 | if (ngx_inet6_addr(host, len, sin6->sin6_addr.s6_addr) != NGX_OK) { |
1092 | 0 | u->err = "invalid IPv6 address"; |
1093 | 0 | return NGX_ERROR; |
1094 | 0 | } |
1095 | | |
1096 | 0 | if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { |
1097 | 0 | u->wildcard = 1; |
1098 | 0 | } |
1099 | |
|
1100 | 0 | u->family = AF_INET6; |
1101 | |
|
1102 | 0 | return ngx_inet_add_addr(pool, u, &u->sockaddr.sockaddr, u->socklen, 1); |
1103 | |
|
1104 | | #else |
1105 | | |
1106 | | u->err = "the INET6 sockets are not supported on this platform"; |
1107 | | |
1108 | | return NGX_ERROR; |
1109 | | |
1110 | | #endif |
1111 | 0 | } |
1112 | | |
1113 | | |
1114 | | #if (NGX_HAVE_GETADDRINFO && NGX_HAVE_INET6) |
1115 | | |
1116 | | ngx_int_t |
1117 | | ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u) |
1118 | 0 | { |
1119 | 0 | u_char *host; |
1120 | 0 | ngx_uint_t n; |
1121 | 0 | struct addrinfo hints, *res, *rp; |
1122 | |
|
1123 | 0 | host = ngx_alloc(u->host.len + 1, pool->log); |
1124 | 0 | if (host == NULL) { |
1125 | 0 | return NGX_ERROR; |
1126 | 0 | } |
1127 | | |
1128 | 0 | (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
1129 | |
|
1130 | 0 | ngx_memzero(&hints, sizeof(struct addrinfo)); |
1131 | 0 | hints.ai_family = AF_UNSPEC; |
1132 | 0 | hints.ai_socktype = SOCK_STREAM; |
1133 | 0 | #ifdef AI_ADDRCONFIG |
1134 | 0 | hints.ai_flags = AI_ADDRCONFIG; |
1135 | 0 | #endif |
1136 | |
|
1137 | 0 | if (getaddrinfo((char *) host, NULL, &hints, &res) != 0) { |
1138 | 0 | u->err = "host not found"; |
1139 | 0 | ngx_free(host); |
1140 | 0 | return NGX_ERROR; |
1141 | 0 | } |
1142 | | |
1143 | 0 | ngx_free(host); |
1144 | |
|
1145 | 0 | for (n = 0, rp = res; rp != NULL; rp = rp->ai_next) { |
1146 | |
|
1147 | 0 | switch (rp->ai_family) { |
1148 | | |
1149 | 0 | case AF_INET: |
1150 | 0 | case AF_INET6: |
1151 | 0 | break; |
1152 | | |
1153 | 0 | default: |
1154 | 0 | continue; |
1155 | 0 | } |
1156 | | |
1157 | 0 | n++; |
1158 | 0 | } |
1159 | | |
1160 | 0 | if (n == 0) { |
1161 | 0 | u->err = "host not found"; |
1162 | 0 | goto failed; |
1163 | 0 | } |
1164 | | |
1165 | | /* MP: ngx_shared_palloc() */ |
1166 | | |
1167 | 0 | for (rp = res; rp != NULL; rp = rp->ai_next) { |
1168 | |
|
1169 | 0 | switch (rp->ai_family) { |
1170 | | |
1171 | 0 | case AF_INET: |
1172 | 0 | case AF_INET6: |
1173 | 0 | break; |
1174 | | |
1175 | 0 | default: |
1176 | 0 | continue; |
1177 | 0 | } |
1178 | | |
1179 | 0 | if (ngx_inet_add_addr(pool, u, rp->ai_addr, rp->ai_addrlen, n) |
1180 | 0 | != NGX_OK) |
1181 | 0 | { |
1182 | 0 | goto failed; |
1183 | 0 | } |
1184 | 0 | } |
1185 | | |
1186 | 0 | freeaddrinfo(res); |
1187 | 0 | return NGX_OK; |
1188 | | |
1189 | 0 | failed: |
1190 | |
|
1191 | 0 | freeaddrinfo(res); |
1192 | 0 | return NGX_ERROR; |
1193 | 0 | } |
1194 | | |
1195 | | #else /* !NGX_HAVE_GETADDRINFO || !NGX_HAVE_INET6 */ |
1196 | | |
1197 | | ngx_int_t |
1198 | | ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u) |
1199 | | { |
1200 | | u_char *host; |
1201 | | ngx_uint_t i, n; |
1202 | | struct hostent *h; |
1203 | | struct sockaddr_in sin; |
1204 | | |
1205 | | /* AF_INET only */ |
1206 | | |
1207 | | ngx_memzero(&sin, sizeof(struct sockaddr_in)); |
1208 | | |
1209 | | sin.sin_family = AF_INET; |
1210 | | sin.sin_addr.s_addr = ngx_inet_addr(u->host.data, u->host.len); |
1211 | | |
1212 | | if (sin.sin_addr.s_addr == INADDR_NONE) { |
1213 | | host = ngx_alloc(u->host.len + 1, pool->log); |
1214 | | if (host == NULL) { |
1215 | | return NGX_ERROR; |
1216 | | } |
1217 | | |
1218 | | (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
1219 | | |
1220 | | h = gethostbyname((char *) host); |
1221 | | |
1222 | | ngx_free(host); |
1223 | | |
1224 | | if (h == NULL || h->h_addr_list[0] == NULL) { |
1225 | | u->err = "host not found"; |
1226 | | return NGX_ERROR; |
1227 | | } |
1228 | | |
1229 | | for (n = 0; h->h_addr_list[n] != NULL; n++) { /* void */ } |
1230 | | |
1231 | | /* MP: ngx_shared_palloc() */ |
1232 | | |
1233 | | for (i = 0; i < n; i++) { |
1234 | | sin.sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); |
1235 | | |
1236 | | if (ngx_inet_add_addr(pool, u, (struct sockaddr *) &sin, |
1237 | | sizeof(struct sockaddr_in), n) |
1238 | | != NGX_OK) |
1239 | | { |
1240 | | return NGX_ERROR; |
1241 | | } |
1242 | | } |
1243 | | |
1244 | | } else { |
1245 | | |
1246 | | /* MP: ngx_shared_palloc() */ |
1247 | | |
1248 | | if (ngx_inet_add_addr(pool, u, (struct sockaddr *) &sin, |
1249 | | sizeof(struct sockaddr_in), 1) |
1250 | | != NGX_OK) |
1251 | | { |
1252 | | return NGX_ERROR; |
1253 | | } |
1254 | | } |
1255 | | |
1256 | | return NGX_OK; |
1257 | | } |
1258 | | |
1259 | | #endif /* NGX_HAVE_GETADDRINFO && NGX_HAVE_INET6 */ |
1260 | | |
1261 | | |
1262 | | static ngx_int_t |
1263 | | ngx_inet_add_addr(ngx_pool_t *pool, ngx_url_t *u, struct sockaddr *sockaddr, |
1264 | | socklen_t socklen, ngx_uint_t total) |
1265 | 10 | { |
1266 | 10 | u_char *p; |
1267 | 10 | size_t len; |
1268 | 10 | ngx_uint_t i, nports; |
1269 | 10 | ngx_addr_t *addr; |
1270 | 10 | struct sockaddr *sa; |
1271 | | |
1272 | 10 | nports = u->last_port ? u->last_port - u->port + 1 : 1; |
1273 | | |
1274 | 10 | if (u->addrs == NULL) { |
1275 | 10 | u->addrs = ngx_palloc(pool, total * nports * sizeof(ngx_addr_t)); |
1276 | 10 | if (u->addrs == NULL) { |
1277 | 0 | return NGX_ERROR; |
1278 | 0 | } |
1279 | 10 | } |
1280 | | |
1281 | 20 | for (i = 0; i < nports; i++) { |
1282 | 10 | sa = ngx_pcalloc(pool, socklen); |
1283 | 10 | if (sa == NULL) { |
1284 | 0 | return NGX_ERROR; |
1285 | 0 | } |
1286 | | |
1287 | 10 | ngx_memcpy(sa, sockaddr, socklen); |
1288 | | |
1289 | 10 | ngx_inet_set_port(sa, u->port + i); |
1290 | | |
1291 | 10 | switch (sa->sa_family) { |
1292 | | |
1293 | 0 | #if (NGX_HAVE_INET6) |
1294 | 0 | case AF_INET6: |
1295 | 0 | len = NGX_INET6_ADDRSTRLEN + sizeof("[]:65536") - 1; |
1296 | 0 | break; |
1297 | 0 | #endif |
1298 | | |
1299 | 10 | default: /* AF_INET */ |
1300 | 10 | len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1; |
1301 | 10 | } |
1302 | | |
1303 | 10 | p = ngx_pnalloc(pool, len); |
1304 | 10 | if (p == NULL) { |
1305 | 0 | return NGX_ERROR; |
1306 | 0 | } |
1307 | | |
1308 | 10 | len = ngx_sock_ntop(sa, socklen, p, len, 1); |
1309 | | |
1310 | 10 | addr = &u->addrs[u->naddrs++]; |
1311 | | |
1312 | 10 | addr->sockaddr = sa; |
1313 | 10 | addr->socklen = socklen; |
1314 | | |
1315 | 10 | addr->name.len = len; |
1316 | 10 | addr->name.data = p; |
1317 | 10 | } |
1318 | | |
1319 | 10 | return NGX_OK; |
1320 | 10 | } |
1321 | | |
1322 | | |
1323 | | ngx_int_t |
1324 | | ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1, |
1325 | | struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port) |
1326 | 0 | { |
1327 | 0 | struct sockaddr_in *sin1, *sin2; |
1328 | 0 | #if (NGX_HAVE_INET6) |
1329 | 0 | struct sockaddr_in6 *sin61, *sin62; |
1330 | 0 | #endif |
1331 | 0 | #if (NGX_HAVE_UNIX_DOMAIN) |
1332 | 0 | size_t len; |
1333 | 0 | struct sockaddr_un *saun1, *saun2; |
1334 | 0 | #endif |
1335 | |
|
1336 | 0 | if (sa1->sa_family != sa2->sa_family) { |
1337 | 0 | return NGX_DECLINED; |
1338 | 0 | } |
1339 | | |
1340 | 0 | switch (sa1->sa_family) { |
1341 | | |
1342 | 0 | #if (NGX_HAVE_INET6) |
1343 | 0 | case AF_INET6: |
1344 | |
|
1345 | 0 | sin61 = (struct sockaddr_in6 *) sa1; |
1346 | 0 | sin62 = (struct sockaddr_in6 *) sa2; |
1347 | |
|
1348 | 0 | if (cmp_port && sin61->sin6_port != sin62->sin6_port) { |
1349 | 0 | return NGX_DECLINED; |
1350 | 0 | } |
1351 | | |
1352 | 0 | if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) { |
1353 | 0 | return NGX_DECLINED; |
1354 | 0 | } |
1355 | | |
1356 | 0 | break; |
1357 | 0 | #endif |
1358 | | |
1359 | 0 | #if (NGX_HAVE_UNIX_DOMAIN) |
1360 | 0 | case AF_UNIX: |
1361 | |
|
1362 | 0 | saun1 = (struct sockaddr_un *) sa1; |
1363 | 0 | saun2 = (struct sockaddr_un *) sa2; |
1364 | |
|
1365 | 0 | if (slen1 < slen2) { |
1366 | 0 | len = slen1 - offsetof(struct sockaddr_un, sun_path); |
1367 | |
|
1368 | 0 | } else { |
1369 | 0 | len = slen2 - offsetof(struct sockaddr_un, sun_path); |
1370 | 0 | } |
1371 | |
|
1372 | 0 | if (len > sizeof(saun1->sun_path)) { |
1373 | 0 | len = sizeof(saun1->sun_path); |
1374 | 0 | } |
1375 | |
|
1376 | 0 | if (ngx_memcmp(&saun1->sun_path, &saun2->sun_path, len) != 0) { |
1377 | 0 | return NGX_DECLINED; |
1378 | 0 | } |
1379 | | |
1380 | 0 | break; |
1381 | 0 | #endif |
1382 | | |
1383 | 0 | default: /* AF_INET */ |
1384 | |
|
1385 | 0 | sin1 = (struct sockaddr_in *) sa1; |
1386 | 0 | sin2 = (struct sockaddr_in *) sa2; |
1387 | |
|
1388 | 0 | if (cmp_port && sin1->sin_port != sin2->sin_port) { |
1389 | 0 | return NGX_DECLINED; |
1390 | 0 | } |
1391 | | |
1392 | 0 | if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) { |
1393 | 0 | return NGX_DECLINED; |
1394 | 0 | } |
1395 | | |
1396 | 0 | break; |
1397 | 0 | } |
1398 | | |
1399 | 0 | return NGX_OK; |
1400 | 0 | } |
1401 | | |
1402 | | |
1403 | | in_port_t |
1404 | | ngx_inet_get_port(struct sockaddr *sa) |
1405 | 8 | { |
1406 | 8 | struct sockaddr_in *sin; |
1407 | 8 | #if (NGX_HAVE_INET6) |
1408 | 8 | struct sockaddr_in6 *sin6; |
1409 | 8 | #endif |
1410 | | |
1411 | 8 | switch (sa->sa_family) { |
1412 | | |
1413 | 0 | #if (NGX_HAVE_INET6) |
1414 | 0 | case AF_INET6: |
1415 | 0 | sin6 = (struct sockaddr_in6 *) sa; |
1416 | 0 | return ntohs(sin6->sin6_port); |
1417 | 0 | #endif |
1418 | | |
1419 | 0 | #if (NGX_HAVE_UNIX_DOMAIN) |
1420 | 8 | case AF_UNIX: |
1421 | 8 | return 0; |
1422 | 0 | #endif |
1423 | | |
1424 | 0 | default: /* AF_INET */ |
1425 | 0 | sin = (struct sockaddr_in *) sa; |
1426 | 0 | return ntohs(sin->sin_port); |
1427 | 8 | } |
1428 | 8 | } |
1429 | | |
1430 | | |
1431 | | void |
1432 | | ngx_inet_set_port(struct sockaddr *sa, in_port_t port) |
1433 | 10 | { |
1434 | 10 | struct sockaddr_in *sin; |
1435 | 10 | #if (NGX_HAVE_INET6) |
1436 | 10 | struct sockaddr_in6 *sin6; |
1437 | 10 | #endif |
1438 | | |
1439 | 10 | switch (sa->sa_family) { |
1440 | | |
1441 | 0 | #if (NGX_HAVE_INET6) |
1442 | 0 | case AF_INET6: |
1443 | 0 | sin6 = (struct sockaddr_in6 *) sa; |
1444 | 0 | sin6->sin6_port = htons(port); |
1445 | 0 | break; |
1446 | 0 | #endif |
1447 | | |
1448 | 0 | #if (NGX_HAVE_UNIX_DOMAIN) |
1449 | 0 | case AF_UNIX: |
1450 | 0 | break; |
1451 | 0 | #endif |
1452 | | |
1453 | 10 | default: /* AF_INET */ |
1454 | 10 | sin = (struct sockaddr_in *) sa; |
1455 | 10 | sin->sin_port = htons(port); |
1456 | 10 | break; |
1457 | 10 | } |
1458 | 10 | } |
1459 | | |
1460 | | |
1461 | | ngx_uint_t |
1462 | | ngx_inet_wildcard(struct sockaddr *sa) |
1463 | 1 | { |
1464 | 1 | struct sockaddr_in *sin; |
1465 | 1 | #if (NGX_HAVE_INET6) |
1466 | 1 | struct sockaddr_in6 *sin6; |
1467 | 1 | #endif |
1468 | | |
1469 | 1 | switch (sa->sa_family) { |
1470 | | |
1471 | 0 | case AF_INET: |
1472 | 0 | sin = (struct sockaddr_in *) sa; |
1473 | |
|
1474 | 0 | if (sin->sin_addr.s_addr == INADDR_ANY) { |
1475 | 0 | return 1; |
1476 | 0 | } |
1477 | | |
1478 | 0 | break; |
1479 | | |
1480 | 0 | #if (NGX_HAVE_INET6) |
1481 | | |
1482 | 0 | case AF_INET6: |
1483 | 0 | sin6 = (struct sockaddr_in6 *) sa; |
1484 | |
|
1485 | 0 | if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { |
1486 | 0 | return 1; |
1487 | 0 | } |
1488 | | |
1489 | 0 | break; |
1490 | | |
1491 | 1 | #endif |
1492 | 1 | } |
1493 | | |
1494 | 1 | return 0; |
1495 | 1 | } |